Examples of instance()


Examples of weka.core.Instances.instance()

        for (int i = 0; i < result.numInstances(); i++) {
          if (!result.instance(i).isMissing(origIndex)) {
            if (m_dateBasedPeriodicity.getPeriodicity() == Periodicity.MONTHLY
                || m_dateBasedPeriodicity.getPeriodicity() == Periodicity.WEEKLY
                || m_dateBasedPeriodicity.getPeriodicity() == Periodicity.QUARTERLY) {
              Date d = new Date((long) result.instance(i).value(origIndex));
              c.setTime(d);
              m_dateTimeStampBase = c.get(Calendar.YEAR);
            } else {
              m_dateTimeStampBase = (long) result.instance(i).value(origIndex);
            }
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Examples of weka.core.Instances.instance()

                || m_dateBasedPeriodicity.getPeriodicity() == Periodicity.QUARTERLY) {
              Date d = new Date((long) result.instance(i).value(origIndex));
              c.setTime(d);
              m_dateTimeStampBase = c.get(Calendar.YEAR);
            } else {
              m_dateTimeStampBase = (long) result.instance(i).value(origIndex);
            }
            break;
          }
        }
        m_addDateMap = new Add();
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Examples of weka.core.Instances.instance()

        m_addDateMap = new Add();
        m_addDateMap.setAttributeName(m_timeStampName + "-remapped");
        m_addDateMap.setInputFormat(result);
        result = Filter.useFilter(result, m_addDateMap);

        Instance previous = result.instance(0);
        // now loop through and compute remapped date
        for (int i = 0; i < result.numInstances(); i++) {
          Instance current = result.instance(i);

          current = m_dateBasedPeriodicity.remapDateTimeStamp(current,
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Examples of weka.core.Instances.instance()

        result = Filter.useFilter(result, m_addDateMap);

        Instance previous = result.instance(0);
        // now loop through and compute remapped date
        for (int i = 0; i < result.numInstances(); i++) {
          Instance current = result.instance(i);

          current = m_dateBasedPeriodicity.remapDateTimeStamp(current,
              previous, m_timeStampName);
          previous = current;
          /*
 
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Examples of weka.core.Instances.instance()

          }
        }

        // set the values for each instance in the data
        for (int i = 0; i < result.numInstances(); i++) {
          setDerivedPeriodicValues(result.instance(i));
        }
      }
    }

    return result;
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Examples of weka.core.Instances.instance()

   *           auxiliary attributes.
   */
  public Instances getTransformedData(Instances insts) throws Exception {
    m_originalHeader = new Instances(insts, 0);
    Instances result = insts;
    m_lastHistoricInstance = result.instance(result.numInstances() - 1);

    setupPeriodicMaps(result);
    result = removeExtraneousAttributes(insts);

    // m_lastArtificialTimeValue = -1;
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Examples of weka.core.Instances.instance()

    }

    if (m_adjustForTrends) {
      int timeStampIndex = result.attribute(m_timeStampName).index();

      m_lastTimeValue = result.instance(result.numInstances() - 1).value(
          timeStampIndex);
      Instance last = result.instance(result.numInstances() - 1);
      Instance secondToLast = result.instance(result.numInstances() - 2);
      /*
       * m_deltaTime = last.value(timeStampIndex) -
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Examples of weka.core.Instances.instance()

    if (m_adjustForTrends) {
      int timeStampIndex = result.attribute(m_timeStampName).index();

      m_lastTimeValue = result.instance(result.numInstances() - 1).value(
          timeStampIndex);
      Instance last = result.instance(result.numInstances() - 1);
      Instance secondToLast = result.instance(result.numInstances() - 2);
      /*
       * m_deltaTime = last.value(timeStampIndex) -
       * secondToLast.value(timeStampIndex);
       */
 
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Examples of weka.core.Instances.instance()

      int timeStampIndex = result.attribute(m_timeStampName).index();

      m_lastTimeValue = result.instance(result.numInstances() - 1).value(
          timeStampIndex);
      Instance last = result.instance(result.numInstances() - 1);
      Instance secondToLast = result.instance(result.numInstances() - 2);
      /*
       * m_deltaTime = last.value(timeStampIndex) -
       * secondToLast.value(timeStampIndex);
       */

 
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Examples of weka.core.Instances.instance()

    if (m_deleteMissingFromStartOfSeries) {
      int start = 0;
      for (int i = 0; i <= m_maxLag; i++) {
        boolean ok = true;
        for (int j = 0; j < result.numAttributes(); j++) {
          if (result.instance(i).isMissing(j)) {
            ok = false;
            break;
          }
        }
        if (!ok) {
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